1259080049 has 4 divisors (see below), whose sum is σ = 1325347440. Its totient is φ = 1192812660.

The previous prime is 1259079989. The next prime is 1259080057. The reversal of 1259080049 is 9400809521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9400809521 = 37 ⋅254075933.

It is a cyclic number.

It is not a de Polignac number, because 1259080049 - 2⁸ = 1259079793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1259079994 and 1259080021.

It is not an unprimeable number, because it can be changed into a prime (1259082049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33133667 + ... + 33133704.

It is an arithmetic number, because the mean of its divisors is an integer number (331336860).

Almost surely, 2^1259080049 is an apocalyptic number.

1259080049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1259080049 is a deficient number, since it is larger than the sum of its proper divisors (66267391).

1259080049 is an equidigital number, since it uses as much as digits as its factorization.

1259080049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66267390.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 1259080049 is about 35483.5179907517. The cubic root of 1259080049 is about 1079.8193710834.

The spelling of 1259080049 in words is "one billion, two hundred fifty-nine million, eighty thousand, forty-nine".